/*
 * Copyright (c) 2020 Uber Technologies, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.uber.rss.common;

import java.util.Objects;

/***
 * Application shuffle map task attempt id without app id / app attempt id
 */
public class ShuffleMapTaskAttemptId {
    private final int shuffleId;
    private final int mapId;
    private final long taskAttemptId;

    public ShuffleMapTaskAttemptId(int shuffleId, int mapId, long taskAttemptId) {
        this.shuffleId = shuffleId;
        this.mapId = mapId;
        this.taskAttemptId = taskAttemptId;
    }

    public int getShuffleId() {
        return shuffleId;
    }

    public int getMapId() {
        return mapId;
    }

    public long getTaskAttemptId() {
        return taskAttemptId;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        ShuffleMapTaskAttemptId that = (ShuffleMapTaskAttemptId) o;
        return shuffleId == that.shuffleId &&
            mapId == that.mapId &&
            taskAttemptId == that.taskAttemptId;
    }

    @Override
    public int hashCode() {
        return Objects.hash(shuffleId, mapId, taskAttemptId);
    }

    @Override
    public String toString() {
        return "ShuffleMapTaskAttemptId{" +
            "shuffleId=" + shuffleId +
            ", mapId=" + mapId +
            ", taskAttemptId=" + taskAttemptId +
            '}';
    }
}
